president and mrs. obama are among those scheduled to attend along with every living u.s. president and various other leaders from around the world. mandela will be buried december 15th in a private service in the village where he grew up. nbc bay area's joe rosato jr. shows us how mandela is being remembered by a few people here in the bay area who played a small role in mandela's effort to end apartheid. >> reporter: there are many pictures in the collection of reverend cecile williams but the one he counts as his most precious is the photo of him with nelson mandela. >> that picture you see of me speaking from after greeting him at that particular point is a picture that i cherish. >> reporter: the picture was taken during mandela's 1990 visit to the oakland coliseum four months after released from prison. williams was there to greet him. >> i was just so, so overcome by this man who was not just soft spoken, but who articulated and interpreted to people his genuine humanness. >> reporter: williams was asked to speak before mandela. the memory flooded back yesterday whe